frau (n.) Look up frau at Dictionary.com
"married woman," 1813, from German Frau "woman, wife," from Middle High German vrouwe "lady, mistress," from Old High German frouwa "mistress, lady" (9c.), from Proto-Germanic *frowo- "lady," fem. of *frawan "lord," from PIE root *per- (1) "beyond, forward," in extended senses "chief, first" (see per).